BOA VISTA, RORAIMA

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		81.3		81.5		82.4		83.1		82.4		80.4		78.6		78.4		79.9		81.9		82.8		82.4		81.7

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		90.3		90.7		92.1		92.7		91.4		88.5		86.5		86.7		89.1		91.4		92.5		92.1		91

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		73.8		73.8		73.9		74.5		74.3		73.8		72.3		72.1		73.2		74.1		74.5		74.5		73.9

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		103.1		97		99.7		100.8		99.3		103.1		93.7		93.2		94.6		99		99.9		98.2		96.8

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		50.4		67.1		68		64.6		62.2		66.2		65.5		63.7		67.6		59.4		50.4		55.8		63

Average Number of Days Above 95F/35C

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		53		2		4		7		6		2		---		---		2		6		11		10		3

Average Number of Days Above 86F/30C

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		315		29		26		29		26		25		22		22		26		27		28		28		28

Average Number of Days Below 75F/23C

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		154		12		11		9		10		16		19		20		19		11		9		8		10

Average Precipitation

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		67.7		1.1		1.1		2		5.4		10.7		14.3		13		9		4		2.4		2.5		1.5

Average Number of Days With Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		115		5		3		4		9		19		19		20		14		7		5		5		5

Average Evaporation Rate

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		6		8.4		8.8		---		7.4		5.1		3		3.2		4.3		5.4		6.4		6.4		7.3

Average Number of Days With Thunderstorms

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		14		---		---		---		1		2		1		2		3		2		1		1		1

Most Rain Reported in a Month

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		98.9		8.2		5.8		11.7		18		19.2		25.6		23.8		20		12.5		8.4		10.6		4.8

Least Recorded Rainfall

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		9		---		---		---		---		0.7		0.9		---		0.4		---		---		---		---

Average Relative Humidity

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		74.9		70.8		66.4		66.3		70.7		78.9		84.9		84.2		81.3		76.2		74.1		72.3		72.5

Average Morning Relative Humidity

Years on Record: 8

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		88		84		81		81		84		92		95		95		94		91		88		88		86

Average Evening Relative Humidity

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		59		53		51		51		57		65		68		67		65		57		55		56		55

Average Dew Point

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		72		70		69		70		71		73		74		73		73		73		72		72		71

Cooling Degree Days

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6724.3		589		536.8		604.5		570		527		495		496		542.5		570		620		600		573.5

Growing Degree Days

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		12203		1054		960.5		1069.5		1020		992		945		961		1007.5		1020		1085		1050		1038.5

Average Station Pressure

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
InHg		29.5		29.5		29.5		29.5		29.5		29.5		29.5		29.6		29.6		29.5		29.5		29.5		29.5

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		12.3		12.4		12.4		12.5		12.6		12.7		12.6		12.6		12.5		12.4		12.4		12.3

Average Number of Days With Fog

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		62		3		2		3		5		9		11		9		8		4		3		2		3

Average Percent of Cloud Cover

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		30		30		30		30		30		30		30		30		30		30		30		30		30

Average Wind Speed

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		11		13		13		14		13		10		9		9		9		9		10		10		12

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.3		5.3		5.5		5.6		5.3		4.7		4.7		4.9		5.4		5.9		5.8		5.3		5.2

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2		1.9		2.1		2.2		2.2		2.1		2		2		2.1		2.1		2		1.9		1.9

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.3		5.4		5.5		5.5		5.2		4.7		4.6		4.9		5.4		5.8		5.8		5.4		5.2

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.8		5.4		5		4.8		4.3		3.8		4		4.3		4.8		5.3		5.5		5.2		5.2

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.3		5.3		5.5		5.6		5.3		4.7		4.7		4.9		5.4		5.9		5.8		5.3		5.2

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.1		2		2.2		2.3		2.3		2.2		2.1		2.1		2.2		2.3		2.1		2.1		1.9

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.9		6.1		6.1		6		6		5.3		5.2		5.6		6		6.3		6.2		6.1		5.7

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.9		6.7		6.1		5.6		5.6		4.8		4.9		5.5		5.9		6.3		6.2		6.5		6.2

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.6		4.9		4.8		5		4.6		4.2		4.1		3.9		4.5		5.3		5.2		4.7		4.7

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.9		1.7		1.9		2.1		2.1		2		2		1.9		1.9		2		1.9		1.7		1.7

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.6		4.9		4.8		4.9		4.6		4.2		4.1		3.8		4.4		5.2		5.2		4.7		4.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.7		4.4		3.8		3.8		3.3		3.1		3		2.6		3.2		4.3		4.5		4		4.4